Rhyolite and Shoshonite Definition

Definition of Rhyolite and Shoshonite

The general Rhyolite and Shoshonite definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. Along with definition of Rhyolite and Shoshonite, get to know about Properties of Rhyolite and Shoshonite. Get to know more information about Rhyolite and Shoshonite origin and discoverer, etymology and class.

History of Rhyolite and Shoshonite

The history of Rhyolite and Shoshonite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Rhyolite and Shoshonite Origin and Discoverer

Rhyolite and Shoshonite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyolite and Shoshonite. In this section, you will know about Rhyolite and Shoshonite Origin and Discoverer. Origin of Rhyolite is North America whereas Origin of Shoshonite is Wyoming,USA. It is interesting to know the name of Rhyolite and Shoshonite discoverer. The Discoverer of Rhyolite is Ferdinand von Richthofen and the discoverer of Shoshonite is Iddings.

Etymology of Rhyolite and Shoshonite

Along with Rhyolite and Shoshonite definition, know more about the etymology of Rhyolite and Shoshonite. Etymology of Rhyolite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Shoshonite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Shoshonite is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Shoshonite are listed below.

For Rhyolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock and Opaque rock

For Shoshonite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock